ZIP Code · TX

ZIP 78240

Part of San Antonio, TX

Pop. 57,921·Bexar County·589th most expensive ZIP in Texas

Median rent (all units)

$1,256/mo

Year-over-Year

-1.5%

Month-over-Month

Stable

vs US Median

-$676

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 78240 · $1,256

More affordable than 88% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,200

1 BR

$1,310

2 BR

$1,590

3 BR

$2,040

4 BR+

$2,380

Research median

$1,590/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Cheapest month to sign

December. Asking rents in ZIP 78240 usually run 0.6% below trend in December and 0.8% above it in August, about $18 a month apart at today's median. Based on 11 years of data.

Compared with the peak

Rent in ZIP 78240 is 6.3% below its high of $1,341 in June 2022, at $1,256 as of September 2026.

Past year vs. the rest of Texas

Rent in ZIP 78240 changed -1.5% over the year to September 2026. Across the 629 Texas ZIP codes Zillow tracks, the typical change was +1.2%.

Rent vs. income since 2019

From 2019 to 2024, rent in ZIP 78240 rose 20.7% while median household income rose 12.8% ($56,154 to $63,351). Rent outpaced income.

Since before the pandemic

Rent in ZIP 78240 is 13.4% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.

Recent direction

Rent has risen 2 months in a row, and rose in 5 of the last 12 months.

What a typical income covers

30% of the median household income ($63,351) is $1,584 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($1,310); a 2-bedroom is $1,590.

Rank in San Antonio

14th cheapest of 54 ZIP codes in San Antonio.

Cheaper nearby

ZIP 78229, 3 miles away, rents for 16% less ($1,049/mo), about $2,500 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 78240. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$15,072/yr

At $1,256/mo median

Location

CitySan Antonio

StateTX

CountyBexar County

Rent Market Meter

Balanced Market

Renter's MarketBalancedLandlord's Market

Rents are roughly steady, with neither renters nor landlords holding a strong edge right now.

Based on rent-price momentum (-1.5% YoY, +0.1% MoM), not inventory.

Demographics

Who lives here

ZIP 78240 (San Antonio, TX) is majority renter-occupied, skews toward younger working-age adults, has a median income below the national average, 38.4% of residents hold a bachelor's degree or higher.

Population

57,921

Median income

$63,351

Median age

Renters

65.6%

Age distribution

22.2%

31.4%

24.1%

12.9%

Under 1822.2%

18–3431.4%

35–5424.1%

55–649.3%

65+12.9%

Gender

50.3%

49.7%

Male50.3%

Female49.7%

Race & ethnicity

40.1%

51.5%

White40.1%

Black12.8%

Hispanic51.5%

Asian9.2%

Education (25+)

21.1%

32%

38.4%

No HS diploma8.5%

HS diploma21.1%

Some college32%

Bachelor's+38.4%

Housing tenure

34.4%

65.6%

Owner34.4%

Renter65.6%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 78240 in San Antonio, TX has changed in 5 years

Rent

$1,145 → $1,256

up 9.7%

Income

$56,864 → $63,351

up 11.4%

Population

56,810 → 57,921

up 2.0%

Renter share

64.2% → 65.6%

+1.4 pts

Bachelor's+

39.9% → 38.4%

-1.5 pts

Median age

31.7 → 33

+1.3 yrs

Rent in ZIP 78240 in San Antonio, TX has increased 9.7% since 2021, going from about $1,145 per month to roughly $1,256 today. On the earnings side, the typical household in ZIP 78240 in San Antonio, TX now reports about $63,351, up from $56,864 in 2021. Headcount in the area went from 56,810 to 57,921 between 2021 and 2024, a 2.0% change. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 78240 in San Antonio, TX reflects that arc in its own way.

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About renting in ZIP 78240

Last updated: October 17, 2026

ZIP code 78240 covers San Antonio, TX. The median rent here is $1,256/mo as of October 2026. A 1-bedroom rents for a median of $1,310/mo. A 2-bedroom rents for a median of $1,590/mo.

At 24% of local median household income ($63,351/yr), ZIP 78240 ranks as affordable compared to the national benchmark of 30%. Rents have decreased 1.5% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 78240?

To keep rent at or below 30% of gross income, you would need to earn at least $50,000/year (about $24/hour full-time) to afford the median rent of $1,256/mo in ZIP 78240. The local median household income is $63,351/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 78240?

Rent in ZIP 78240 has fallen 1.5% over the past year as of September 2026. It sits 6.3% below its high of $1,341 in June 2022.

When is the cheapest time to rent in ZIP 78240?

Asking rents in ZIP 78240 are usually lowest in December, about 0.6% below their yearly trend, and highest in August, about 0.8% above it. At today's median that is a gap of roughly $18 a month. This pattern comes from 11 years of Zillow rent data.

Has rent outpaced income in ZIP 78240?

Yes. From 2019 to 2024, rent in ZIP 78240 rose 20.7% while median household income rose 12.8%, from $56,154 to $63,351. Rent is Zillow's yearly average; income is the Census 5-year estimate for the same years.

How does ZIP 78240 compare to other ZIPs in Texas?

ZIP 78240 is one of the more affordable among Texas ZIP codes for rent, ranking #589 of 693 at $1,256/mo. Over the year to September 2026, rent in ZIP 78240 changed -1.5%, against a typical +1.2% across the 629 Texas ZIP codes Zillow tracks.